To direct a beam of any kind of radiation at (an object or region): used esp. of radio waves and microwaves in connection with radar and…
| 单词 | θ78707 |
| 释义 | the world > matter > physics > electromagnetic radiation > emit [verb (transitive)] > direct at (1) illuminate1942 To direct a beam of any kind of radiation at (an object or region): used esp. of radio waves and microwaves in connection with radar and… |
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